On Fri, Jun 18, 2010 at 08:37:32AM -0400, Scott Kitterman wrote:
> The version of Python Policy that was just uploaded to unstable is the first
> one that attempts to address Python3. It is just a start and more changes
> are
> needed.
>
> POX and I were just discussion this and discovered that we had been carrying
> different assumptions about how packages would be expressing what versions
> they
> support.
>
> Today (since python3-defaults was also just uploaded) we have two supported
> python versions (2.5, 2.6) and one supported python3 version (3.1).
>
> The question that we think needs some discussion is what should the output of
> `py3versions -vr '>= 2.4'` be?
>
> As currently implemented, py3versions does not see that as including any
> python3 versions, since no python3 support is explicitly declared. I had
> anticipated something like:
>
> `py3versions -vr '>= 2.4 >=3.0'`
>
> I am concerned to avoid packages implicitly picking up a claim for python3
> support that they don't actually provide. The problem with this is that
> using
> something like:
>
> XS-Python-Version: >= 2.x, >= 3.x
>
> in debian/control is not expected by at the very least python-support and
> dh_python{2,3}. Lintian is not at all happy with it either. First question:
> Does anyone know of other packages that this would be a problem for?
It worked on python-central the last time I tried it, although some 2.X
versions were duplicated.> > Alternatives: > > XS-Python-Version: >= 2.x > XS-Python3-Version: >= 3.x > > This avoids any risk of existing packages inadvertently expressing support > for > a Python3 version, but adds more fields to debian/control (this would also > imply, I think, XB-Python3-Version). This ends up making Packages.gz (and > .bz2) larger and making updates slower for everyone. I guess this would break python-apt, since it uses the following one: XS-Python-Version: 2.5, 2.6, 3.1 (breaking meaning feature [3.1 modules] loss in package rebuild) Another reason against this would be that it will look stupid once there is no Python 2 anymore. -- Julian Andres Klode - Debian Developer, Ubuntu Member See http://wiki.debian.org/JulianAndresKlode and http://jak-linux.org/.
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